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cmake中如何將前綴路徑添加到CMAKE_PREFIX_PATH

linux下,導(dǎo)入qt項(xiàng)目
執(zhí)行cmakelist.txt時(shí)如下語句報(bào)錯(cuò)

find_package(Qt5Widgets REQUIRED) 

報(bào)錯(cuò)信息如下:

Could not find a package configuration file provided by "Qt5Widgets" with
  any of the following names:

    Qt5WidgetsConfig.cmake
    qt5widgets-config.cmake

  Add the installation prefix of "Qt5Widgets" to CMAKE_PREFIX_PATH or set
  "Qt5Widgets_DIR" to a directory containing one of the above files.  If
  "Qt5Widgets" provides a separate development package or SDK, be sure it has
  been installed.

意思就是要添加qt5widgets的安裝路徑的前綴到CMAKE_PREFIX_PATH羅?但是我不知道要怎么將qt5widgets的安裝路徑添加到cmake_prefix_path呀。我在電腦上找到qt5widgets了,求dalao指點(diǎn)該怎么配置CMAKE_PREFIX_PATH,或者其他解決方案也當(dāng)然感激不盡

回答
編輯回答
網(wǎng)妓

編譯時(shí)加上 -DCMAKE_PREFIX_PATH=path/to/qt5widgets 試一試

2018年7月16日 04:03